P202A
Reductant Tank Heater Control Circuit/Open
P202A is an OBD-II diagnostic trouble code meaning: Reductant Tank Heater Control Circuit/Open. Common causes: broken wiring in the heating circuit, heating control relay malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- SCR System Error Message
- Heating of the urea tank does not work
Causes
- Broken wiring in the heating circuit
- Heating control relay malfunction
- Failure of the heating element
- Problems with the SCR control unit
- Short circuit in the circuit
How to Fix
- Check the integrity of wiring and connections
- Check the functionality of the heating relay
- Test the heating element for resistance
- Check the fuses of the corresponding circuit
- Scan the SCR control unit for additional errors
Related codes
Error P202A by Vehicle Brand
FAQ
What does the P202A code mean?
P202A is an OBD-II diagnostic trouble code that indicates: Reductant Tank Heater Control Circuit/Open
What causes a P202A error code?
The most common causes of P202A include: Broken wiring in the heating circuit; Heating control relay malfunction; Failure of the heating element; Problems with the SCR control unit.
How do I fix a P202A diagnostic trouble code?
To fix P202A: Check the integrity of wiring and connections. Check the functionality of the heating relay. Test the heating element for resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P202A?
Limited driving only, diagnose soon
How much does it cost to fix P202A?
The estimated repair cost for P202A is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat